22. Claire Lew (expertise: Culture & Entrepreneurship)

Claire Lew is the CEO of Know Your Company, a software tool that helps business owners with 25 to 75 employees overcome company growing pains. The software was originally built by Basecamp. Since then, Know Your Company has helped over 12,000 people at companies like Airbnb and Kickstarter. Claire's mission in life is to help people become happier at work.